package org.example.filter;

import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwsHeader;
import org.apache.commons.lang.StringUtils;
import org.example.common.JwtService;
import org.example.util.AppJwtUtil;
import org.springframework.cloud.gateway.filter.GatewayFilterChain;
import org.springframework.cloud.gateway.filter.GlobalFilter;
import org.springframework.core.Ordered;
import org.springframework.http.HttpStatus;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.http.server.reactive.ServerHttpResponse;
import org.springframework.stereotype.Component;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

@Component
public class AllFilter implements Ordered, GlobalFilter {
    @Override
    public Mono<Void> filter(ServerWebExchange exchange, GatewayFilterChain chain) {
//        //1.获取request和response对象
//        ServerHttpRequest request = exchange.getRequest();
//        ServerHttpResponse response = exchange.getResponse();
//
//
//        String path = request.getURI().getPath();
//
//
//        //2.判断是否是登录
//        if(request.getURI().getPath().contains("/login")){
//            //放行
//            return chain.filter(exchange);
//        }
//
//
//        //3.获取token
//        String token = request.getHeaders().getFirst("Authorization");
//
//        //4.判断token是否存在
//        if(StringUtils.isBlank(token)){
//            System.out.println("没有token");
//            response.setStatusCode(HttpStatus.UNAUTHORIZED);
//
//            return response.setComplete();
//        }
//
//        //5.判断token是否有效
//        try {
//
//            //是否是过期
//            int result = JwtService.verifyToken(token);
//            if(result == 1 || result  == 2){
//                response.setStatusCode(HttpStatus.UNAUTHORIZED);
//                return response.setComplete();
//            }
//
//
//        }catch (Exception e){
//            e.printStackTrace();
//            response.setStatusCode(HttpStatus.UNAUTHORIZED);
//            return response.setComplete();
//        }

        //6.放行
        return chain.filter(exchange);
    }

    /**
     * 设置优先级，数字越小优先级越高
     * @return
     */
    @Override
    public int getOrder() {
        return 0;
    }
}
